CN101975651B - Vibration test fixture for space camera - Google Patents
Vibration test fixture for space camera Download PDFInfo
- Publication number
- CN101975651B CN101975651B CN201010522178A CN201010522178A CN101975651B CN 101975651 B CN101975651 B CN 101975651B CN 201010522178 A CN201010522178 A CN 201010522178A CN 201010522178 A CN201010522178 A CN 201010522178A CN 101975651 B CN101975651 B CN 101975651B
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- Prior art keywords
- metal
- camera
- base
- pad
- loam cake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- 239000002184 metal Substances 0.000 claims abstract description 62
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Accessories Of Cameras (AREA)
Abstract
The invention relates to a vibration test fixture for an aerospace camera, which further comprises a metal connecting ring and at least three metal connecting seats; the metal connecting rings are uniformly distributed with connecting lugs which correspond to the number of the metal connecting seats and protrude outwards; a plurality of through holes are formed in the connecting lugs; the metal connecting seat comprises a metal connecting sheet corresponding to the connecting lug in shape and a metal connecting column vertically and fixedly connected with the metal connecting sheet, and a plurality of threaded holes are formed in the metal connecting column; a plurality of notches which are matched with the shape of the metal connecting column are uniformly distributed on the outer circumference of the supporting plate; the number of the notches is consistent with that of the metal connecting seats. The invention reduces the transmission of vibration to the camera and improves the precision.
Description
Technical field
The present invention relates to a kind of camera space vibration test fixture.
Background technology
Test fixture is designed for the dynamic environmental test of certain camera space of developing, is used for the axial dynamic environmental test of camera light.But camera space is connected with satellite by connecting link, and the diameter of camera is greater than the diameter of vibration table, so be badly in need of wanting a kind of new space vibration test fixture to satisfy the requirement of the experiment anchor clamps of camera space.Camera is connected with satellite by the web joint of its bottom and the flexible connecting device that is fixed in web joint.For the real simulation environment, just the flexible connecting device of camera directly need be connected with shaking platform.
Summary of the invention
In order to build a real simulated environment, the object of the invention provides a kind of anchor clamps that can satisfy the camera space vibration test.
Technical solution of the present invention:
A kind of camera space vibration test fixture comprises base 7, connecting link 8 and bracing or strutting arrangement, and described camera 10 is installed on the bracing or strutting arrangement and connecting link 8 is supported on the base 7, and its special character is: described base 7 comprises bowl-shape base 6 and annular loam cake 9; Described annular loam cake 9 comprises location wall 91 and perpendicular to location wall 91 and be positioned at the inner cap 92 and the outer rim 93 of wall 91 tops, location; Described bowl-shape base 6 upper ends are provided with and outer rim 93 positions and the corresponding overhanging edge 61 of shape, and described outer rim 93 and overhanging edge 61 are connected by bolt; Described annular loam cake 9 is snapped in bowl-shape base 6 upper ends by location wall 91;
Be evenly equipped with a plurality of loam cake reinforcements 94 between the inner cap 92 of described annular loam cake 9 and the location wall 91;
The lateral wall of described bowl-shape base 6 is evenly equipped with a plurality of base reinforcements 62;
The inner cap 92 of described annular loam cake 9 is provided with a plurality of camera interfaces 95, and described camera interface 95 is used to install the head that flexibly connects of camera 10;
Described bowl-shape base 6 bottoms are provided with a plurality of through holes 63, and described through hole 63 is used to connect shaking platform;
The sidewall of described bowl-shape base 6 is provided with the view window 64 that is complementary with base reinforcement 62 quantity and position.
Above-mentioned bracing or strutting arrangement comprises back up pad 2, the carbon fiber covering 22 that described back up pad 2 comprises aluminium honeycomb interlayer 21 and is fixed on aluminium honeycomb interlayer two sides,
It also comprises a metal abutment ring 1 and at least three metal-connecting seats 3;
Described metal abutment ring 1 is evenly distributed with attachment lug 11 corresponding with metal-connecting seat 3 quantity and outside protrusion; Described attachment lug 11 is provided with a plurality of through holes 12;
Described metal-connecting seat 3 comprise with attachment lug 11 shape corresponding metal braces 31 and with the metal connecting sheet 31 vertical metal joint pins 32 that are connected, be provided with a plurality of threaded holes 33 in the described metal joint pin 32;
The excircle of described back up pad 2 is evenly distributed with a plurality of breach that adapt with metal joint pin 32 shapes; The quantity of described breach is consistent with the quantity of metal-connecting seat 3.
Described metal joint pin 32 is embedded in respectively in the corresponding breach, and described metal-connecting seat 3 and metal abutment ring 1 lay respectively at the both sides of back up pad 2; Described a plurality of screw 4 is screwed in the respective screw hole 33 of metal joint pin after passing the through hole 12 of metal abutment ring 1.
Be provided with adhesive layer between above-mentioned metal connecting sheet 31 and the back up pad 2 and between metal abutment ring 1 and the back up pad 2.
Above-mentioned metal abutment ring 1, metal-connecting seat 3 are titanium or titanium alloy.
The quantity of above-mentioned metal-connecting seat 3 is three.
Technique effect of the present invention is:
1, the present invention becomes bowl-shape base and annular loam cake with base designs, for the present situation of little vibration-isolating platform and big camera pedestal provides a kind of new vibration test fixture, has reduced the transmission of vibration to camera, has improved precision.
2, intensity height.The present invention is very firm metal abutment ring and the metal-connecting seat of being provided with on back up pad, makes itself and back up pad in conjunction with closely, has improved the intensity of bracing or strutting arrangement.
3, good stability, precision height.The present invention adopts the mode of glueing joint and being spirally connected that metal abutment ring and metal-connecting seat metal well are fixed on the back up pad, has improved the stability and the precision of bracing or strutting arrangement.
Description of drawings
Fig. 1 is the structural representation of camera space vibration test fixture base of the present invention;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the annular superstructure synoptic diagram of base of the present invention;
Fig. 4 is the structural representation of test fixture of the present invention;
Fig. 5 is the B-B view of Fig. 4;
Fig. 6 is the vertical view of test fixture of the present invention;
Fig. 7 is the structural representation of metal abutment ring of the present invention; Wherein 7-1 is a front view; 7-2 is a side view; 7-3 is a stereographic map;
Fig. 8 is the structural representation of metal abutment ring of the present invention and metal-connecting seat; Wherein 8-1 is a vertical view; 8-2 is a side view; 8-3 is a stereographic map;
Fig. 9 is the structural representation of metal-connecting seat of the present invention; Wherein 9-1 is a front view; 9-2 is a side view; 9-3 is a stereographic map; 9-4 is a stereographic map;
Figure 10 is the structural representation of back up pad of the present invention, metal abutment ring, metal-connecting seat; Wherein 10-1 is a stereographic map; 10-2 is a side view; 10-3 is the A portion amplification view of Figure 10-2;
Wherein Reference numeral is as follows: 1-metal abutment ring, 11-attachment lug, 12-through hole, 2-back up pad, 21-aluminium honeycomb interlayer, 22-carbon fiber covering, 3-metal-connecting seat, 31-metal connecting sheet, 32-metal joint pin, the 33-threaded hole, 4-screw, the bowl-shape base of 6-, the overhanging edge of 61-, 62-base reinforcement, 63-through hole, 64-view window, 7-base, the 8-connecting link, 9-annular loam cake, 91-locatees wall, 92-inner cap, the 93-outer rim, 94-loam cake reinforcement, 95-camera interface, 10-camera.
Description of drawings
As Fig. 1 to Figure 6 shows that camera space vibration test fixture of the present invention, comprise base 7, connecting link 8 and bracing or strutting arrangement, described camera 10 is installed on the bracing or strutting arrangement and connecting link 8 is supported on the base 7, base 7 comprises bowl-shape base 6 and annular loam cake 9, and annular loam cake 9 comprises location wall 91 and perpendicular to location wall 91 and be positioned at the inner cap 92 and the outer rim 93 of wall 91 tops, location; Bowl-shape base 6 upper ends are provided with and outer rim 93 positions and the corresponding overhanging edge 61 of shape, and outer rim 93 and overhanging edge 61 are connected by bolt; Annular loam cake 9 is snapped in bowl-shape base 6 upper ends by location wall 91; Be evenly equipped with a plurality of loam cake reinforcements 94 between the inner cap of annular loam cake and the bowl-shape base; The lateral wall of bowl-shape base is evenly equipped with a plurality of base reinforcements 62; The inner cap of annular loam cake is provided with a plurality of camera interfaces 95, and camera interface 95 is used to install the head that flexibly connects of camera; Bowl-shape base bottom is provided with a plurality of through holes 63, and through hole 63 is used to connect shaking platform; The sidewall of bowl-shape base is provided with the view window 64 that is complementary with base reinforcement quantity and position.
According to the situation of the mounting means and the shaking table of camera structure, designing these anchor clamps is loam cake, base two parts array configuration, as shown in Figure 1.On be stamped with camera corresponding three place's camera interfaces 95 be installed, camera and loam cake can be coupled to integral body by these interfaces.In addition, on cover also design three threaded holes arranged, be mainly used in camera be connected with loam cake finish after, three suspension ring are installed thereon, be used for the integral hoisting of camera.Increase by 15 reinforcements in order to strengthen the rigidity of structure simultaneously.According to the size of the dimensional structure and the shaking table joint of camera, the design base as shown in the figure.Base is on the one hand under the situation of considering rigidity requirement, 15 reinforcements distribute on circumference, consider the demand of vibration test on the other hand, on base, have 15 operations and observe the view windows (come off or increase handled easily such as sensor temporarily, and the situation of observation structure spare) at any time of usefulness for acceleration transducer in the test.
Before test, at first 25 mounting holes of base by its bottom are fixed on the shaking table, then loam cake is connected by screw with three places of camera and is connected, and installation suspension ring, by hoisting mechanism loam cake and camera are transferred to base position, at last loam cake and camera and base are fixed into integral body on last plane by screw.
As Fig. 7, shown in Figure 8, a kind of bracing or strutting arrangement that has aluminium honeycomb interlayer and carbon fiber covering, comprise back up pad 2, the carbon fiber covering 22 that back up pad 2 comprises aluminium honeycomb interlayer 21 and is fixed on aluminium honeycomb interlayer two sides also comprises a metal abutment ring 1 and at least three metal-connecting seats 3; Metal-connecting seat is generally 3.Metal abutment ring 1 is evenly distributed with and the corresponding attachment lug 11 that outwards protrudes of metal-connecting seat 3 quantity; Attachment lug 11 is provided with a plurality of through holes 12.
As shown in Figure 9, metal-connecting seat 3 comprise with attachment lug 11 shape corresponding metal braces 31 and with the metal connecting sheet 31 vertical metal joint pins 32 that are connected, be provided with a plurality of threaded holes 33 in the metal joint pin 32.
As shown in figure 10, the excircle of back up pad 2 is evenly distributed with a plurality of breach that adapt with metal joint pin 32 shapes; The quantity of breach is consistent with the quantity of metal-connecting seat 3.Metal joint pin 32 is embedded in corresponding going up in the breach 23 on the back up pad 2 respectively, and metal-connecting seat 3 and metal abutment ring 1 lay respectively at the both sides of back up pad 2; A plurality of screws 4 are screwed in the respective screw hole 33 of metal joint pin after passing the through hole 12 of metal abutment ring 1.Be provided with adhesive layer between described metal connecting sheet 31 and the back up pad 2 and between metal abutment ring 1 and the back up pad 2.Described metal abutment ring 1, metal-connecting seat 3 are titanium or titanium alloy.
Claims (5)
1. camera space vibration test fixture, comprise base (7), connecting link (8) and bracing or strutting arrangement, described camera (10) is installed on the bracing or strutting arrangement and connecting link (8) is supported on the base (7), it is characterized in that: described base (7) comprises bowl-shape base (6) and annular loam cake (9); Described annular loam cake (9) comprise the location wall (91) and perpendicular to the location wall (91) and be positioned at the location wall (91) top inner cap (92) and outer rim (93); Described bowl-shape base (6) upper end is provided with and outer rim (93) position and the corresponding overhanging edge of shape (61), and described outer rim (93) is connected by bolt with overhanging edge (61); Described annular loam cake (9) is snapped in bowl-shape base (6) upper end by location wall (91);
Be evenly equipped with a plurality of loam cake reinforcements (94) between the inner cap (92) of described annular loam cake (9) and the location wall (91);
The lateral wall of described bowl-shape base (6) is evenly equipped with a plurality of base reinforcements (62);
The inner cap (92) of described annular loam cake (9) is provided with a plurality of camera interfaces (95), and described camera interface (95) is used to install the head that flexibly connects of camera (10);
Described bowl-shape base (6) bottom is provided with a plurality of through holes (63), and described through hole (63) is used to connect shaking platform;
The sidewall of described bowl-shape base (6) is provided with the view window (64) that is complementary with base reinforcement (62) quantity and position.
2. camera space vibration test fixture according to claim 1, it is characterized in that: described bracing or strutting arrangement comprises back up pad (2), the carbon fiber covering (22) that described back up pad (2) comprises aluminium honeycomb interlayer (21) and is fixed on aluminium honeycomb interlayer two sides, described back up pad (2) also comprise a metal abutment ring (1) and at least three metal-connecting seats (3);
Described metal abutment ring (1) is evenly distributed with attachment lug (11) corresponding with metal-connecting seat (3) quantity and outside protrusion; Described attachment lug (11) is provided with a plurality of through holes (12);
Described metal-connecting seat (3) comprises and attachment lug (11) shape corresponding metal brace (31) and the vertical metal joint pin (32) that is connected with metal connecting sheet (31), is provided with a plurality of threaded holes (33) in the described metal joint pin (32);
The excircle of described back up pad (2) is evenly distributed with a plurality of breach (23) that adapt with metal joint pin (32) shape; The quantity of described breach (23) is consistent with the quantity of metal-connecting seat (3);
Described metal joint pin (32) is embedded in respectively in the corresponding breach (23), and described metal-connecting seat (3) and metal abutment ring (1) lay respectively at the both sides of back up pad (2); A plurality of screws (4) are screwed in the respective screw hole (33) of metal joint pin after passing the through hole (12) of metal abutment ring (1).
3. camera space vibration test fixture according to claim 2 is characterized in that: be provided with adhesive layer between described metal connecting sheet (31) and the back up pad (2) and between metal abutment ring (1) and the back up pad (2).
4. according to claim 2 or 3 described camera space vibration test fixtures, it is characterized in that: described metal abutment ring (1), metal-connecting seat (3) are titanium or titanium alloy.
5. camera space vibration test fixture according to claim 4 is characterized in that: the quantity of described metal-connecting seat (3) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010522178A CN101975651B (en) | 2010-10-27 | 2010-10-27 | Vibration test fixture for space camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010522178A CN101975651B (en) | 2010-10-27 | 2010-10-27 | Vibration test fixture for space camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975651A CN101975651A (en) | 2011-02-16 |
| CN101975651B true CN101975651B (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010522178A Expired - Fee Related CN101975651B (en) | 2010-10-27 | 2010-10-27 | Vibration test fixture for space camera |
Country Status (1)
| Country | Link |
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| CN (1) | CN101975651B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539095B (en) * | 2011-11-15 | 2014-06-25 | 上海卫星装备研究所 | High-frequency anti-water-leakage satellite vibration test clamp for large interface expanding |
| CN102589829B (en) * | 2012-02-29 | 2014-12-10 | 中国科学院西安光学精密机械研究所 | Primary mirror vibration test protection device |
| CN104708550B (en) * | 2014-12-05 | 2017-05-03 | 上海卫星装备研究所 | Multipurpose satellite mechanics test fixture |
| CN104865777B (en) * | 2015-06-03 | 2017-08-04 | 成都飞机工业（集团）有限责任公司 | Camera support |
| CN107907288A (en) * | 2017-11-17 | 2018-04-13 | 天津航天瑞莱科技有限公司 | A kind of clamp for vibration test of Gas-tank for shuttles |
| CN108168819B (en) * | 2017-12-21 | 2020-01-31 | 广州广电计量检测股份有限公司 | Vibration test fixture and method, and vibration test fixture debugging system and method |
| CN109268787A (en) * | 2018-09-11 | 2019-01-25 | 重庆红日照明器材有限公司 | A kind of high intensity lamps and lanterns pallet |
| CN113237622B (en) * | 2021-05-13 | 2023-04-07 | 西安科技大学 | Vibration testing system for onboard camera of heading machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118365A (en) * | 2006-08-04 | 2008-02-06 | 佳能株式会社 | Optical device and camera system |
| CN201489266U (en) * | 2009-09-03 | 2010-05-26 | 华晶科技股份有限公司 | Camera testing tool |
| CN201844913U (en) * | 2010-10-27 | 2011-05-25 | 中国科学院西安光学精密机械研究所 | Vibration test fixture for space camera |
-
2010
- 2010-10-27 CN CN201010522178A patent/CN101975651B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118365A (en) * | 2006-08-04 | 2008-02-06 | 佳能株式会社 | Optical device and camera system |
| CN201489266U (en) * | 2009-09-03 | 2010-05-26 | 华晶科技股份有限公司 | Camera testing tool |
| CN201844913U (en) * | 2010-10-27 | 2011-05-25 | 中国科学院西安光学精密机械研究所 | Vibration test fixture for space camera |
Non-Patent Citations (2)
| Title |
|---|
| 刘雍等.空间相机结构件的振动试验仿真.《计算机辅助工程》.2006, * |
| 陈荣利等.空间高分辨率CCD相机次镜支架最佳结构设计.《光子学报》.2004,(第10期), * |
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| Publication number | Publication date |
|---|---|
| CN101975651A (en) | 2011-02-16 |
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Granted publication date: 20111207 Termination date: 20121027 |